package com.dz.controller;

import com.dz.pojo.Dept;
import com.dz.service.DeptService;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@RestController
public class DeptController {
    @Autowired
    private DeptService deptService;

    @GetMapping("/dept/get/{id}")
    @HystrixCommand(fallbackMethod = "hystrixGet")  //调用失败就调用下边的方法
    public Dept queryDeptByid(@PathVariable("id") Long id){
        Dept dept = deptService.queryByid(id);
        if (dept==null)
            throw new RuntimeException("信息无法找到！！！");
        return dept;
    }
//备选方案
    public Dept hystrixGet(@PathVariable("id") Long id){
        return new Dept()
                .setDeptno(id)
                .setDname("没有对应的信息-> @Hystrix")
                .setDb_source("no this database");
    }

}
